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    Sierra K 9 Academy

    5.0 (24 reviews)
    Open 9:00 am - 7:00 pm
    Updated a few days ago

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    2 hours

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    Services - Sierra K 9 Academy

    Dog boarding and training

    Private dog training

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    Our dog laying down and calmly watching people and dogs walk by, which was a HUGE change.

    We met Bill during a difficult time for our fur family. Our Malinois, Cora, had suddenly developed a streak of dog aggression, a problem that became so bad, that we considered rehoming her. We signed up for Sierra K9's reactivity training, and from the first session, Bill impressed us with his apparent supernatural ability to command Cora's attention and get her under control. He helped us understand the reasons behind her problem behavior and taught us a process to correct it. By session 5, we almost didn't recognize our dog. We never imagined that she could be so calm on walks, that we could redirect her focus during dog encounters, or that she could be so responsive to commands. One thing we appreciate about Bill is the individual attention he gives to each of his clients. At no point did he seem in a hurry to get us through the 6 sessions and be done with us. He took the time to answer all of our questions and repeated instructions as many times as we needed. He even let us text him with questions and videos in between sessions, and he responded with tips for refining our technique. Throughout the training, Bill stressed that he wanted us to be successful and would continue to help with any lingering issues after the 6th session until we were comfortable with the results. As he put it, if we don't succeed, he doesn't succeed. If you've tried everything with your dog, consider calling Bill for a free consultation. His training might be what your dog is missing.

    Riddhi R.

    Bill is hands-down a phenomenal trainer and we are so lucky to have him local to us. He has demonstrated exceptional care and attentiveness to both our pup's as well as our needs. Bill is a very personable trainer and regularly sought out our input and feedback on his training method. He took the time to show us our pup's behavior through his expert lens and explained the reason behind why our puppy would exhibit certain behaviors so that the training sessions made more sense. By training us in addition to our puppy, he made sure that we would continue to follow through with our pup once he left. He also checked in with us regularly and made sure we were doing our homework- not something that every trainer will do- as he put it, if we didn't succeed with our pup, then he didn't succeed. My wife is a veterinarian and has received many hours of training on behavior, but it does not replace a qualified trainer who can take the time to work with your puppy one on one and identify their unique habits that need to be fine tuned. And I couldn't be more satisfied with the results- I can see a true difference in how our puppy thinks and responds to situations! Our puppy is a livestock guardian breed, which can be notoriously difficult to train due to their independent nature. After several training sessions, our puppy is a much more obedient dog without sacrificing any of his personality thanks to Bill! I cannot recommend Bill and Sierra K9 enough- it was well worth the price given the wonderful results we see everyday- people compliment us all the time on how calm our puppy is and are surprised when they find out he's only 6 months old and already so well mannered!

    Charlie filling our taxes

    My partner and I adopted an 11-month-old, high-energy, reactive Yorkie/Schnauzer mix named Charlie. When he arrived, Charlie didn't know any commands, wasn't crate trained, struggled on the leash, and was reactive to other dogs, people, and outdoor noises. After just a few weeks of working with Bill, it feels like we have a completely new dog. Charlie is now calm, confident, and thriving as part of our family. He knows his basic commands (sit, stay, come, down, heel) as well as fun extras (twirl, up, jump, leave it), all thanks to Bill's tips, tricks, and overall obedience training. I am consistently complimented on how well-behaved Charlie is whether we're out in public, walking in the neighborhood, visiting stores, or around other dog owners. His transformation is truly impressive! Bill was an absolute pleasure to work with. He was flexible with scheduling, supportive of our family's needs, and continues to provide advice even after our sessions ended. I can't recommend Bill and his training enough. The pricing is also incredibly affordable considering the level of care, quality, and results, especially compared to other trainers we've heard about or worked with. 10 out of 10, Bill is simply the best dog trainer around!

    Melanie W.

    Bill is a great dog trainer. He is patient, positive, and very encouraging. He really helped me boost confidence in my dog and help me build a better bond and rapport with my dog. He not only worked with us during class time, but checked in with us multiple times throughout the week over the whole entire training period. I would highly recommend.

    Toby  adventuring
    Mary Anne S.

    When we got our rescue cattle dog mix, Toby,at one year old ,he was a nervous wreck,constantly pacing and staring at us like a wild dog . He came close to nipping our 5 year old grandson on the butt several times ,would run away when called, steal food off of the counter like a ninja and startle over the slightest surprise .Though I have owned and trained a few high strung herding dogs over the years I was almost ready to return Toby to the rescue. Then my wife found Bill Penner. Bill and his wife, Shelby, were very welcoming when we arrived for our consultation . The first time Bill leashed Toby he lunged at Bill, showed his teeth and tried to escape but Bill assured us that it was just an obedience issue and that he was totally trainable! have to admit that I was skeptical but Bill's firm direction and no nonsense approach to training was the tough love Toby needed and after the third session Toby stopped showing his teeth , accepted his new "drill Sergeant"and fell in line! By our sixth and final session Toby was a different dog, very obedient,no more pacing, nipping or hiding .Toby will always be a fast twitch dog but thanks to Bill's expert training he makes good decisions, plays with the grandsons and is a cherished member of our family! I recommend Bill Penner without any hesitation ,he's a great trainer who trains his client as well as their dog with clear ,direct instructions. Thank you Bill and Shelby!

    Arwen. Who knew she could be so obedient and listen through the noise of her reactivity?

    Familiar story, I'm sure. I adopted a dog who seemed perfect. Within two days I recognized she was highly animal reactive. I called Bill and leaned into his experience and expertise with reactive dogs. He immediately assured me that I had a kind hearted dog who needed some reactive brain rewiring. We embarked on a six week training session that yielded significant results. As Bill coached me, my job is to build my dog's confidence and be a consistent reassurance in her life. When we concluded our six weeks session Bill immediately said, "We are friends now. If you need additional help, bring your dog to me and we'll do some more work together. No charge." So grateful for this experience.

    Frankie is now well versed in the commands of sit, stay, heel and come!

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    8 months ago

    Bill is an amazing trainer and human being. We appreciate his honesty and integrity as well as his training ability.

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    1 year ago

    Bill has done an amazing job with our golden. Stubborn as they come but with Bill's help, trainable. Very happy with the experience.

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    Ask the Community - Sierra K 9 Academy

    Review Highlights - Sierra K 9 Academy

    Bill from Sierra K9 came over for an evaluation, and even from that first visit, my dog's behavior improved.

    Mentioned in 6 reviews

    Read more highlights

    Woof Mountain Dog Training & Pet Services

    Woof Mountain Dog Training & Pet Services

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    As I've moved around Northern California, I've been able to continue classes with Georgeanne. I've…read moretaken 4 dogs through her class starting at Santa Clara Dog Training Club. Georgeanne was one of my first instructors, and waaaay back then, many of the instructors were still using force training like pushing dogs into downs and sits. I can get any 8 week old puppy into a sit in 2 seconds so on earth would you ever need to push an adult dog into a down? Georgeanne was before her time, using praise and allowed her students to bring treats to reward the dogs-but, she's not a cookie pusher trainer. I learned a lot from Georgeanne and was able to show my dog in obedience which in a million years I never thought I would, or could because my dog didn't like being close to other dogs. After her classes, my dog learned to ignore other dogs and pay attention to me 100% of the time. A lot of trainers are set in their ways, and if you don't do it their way, then they don't like you as a student. I've quit many classes because of that. Georgeanne is different. She's sweet, patient, and never judges you. She'll also be honest with you. My last dog was pretty wild, and wasn't ready to go off leash for heeling. Georgeanne will tell you when is the right time for your dog to go off leash heeling and recalls. Nothing worse than having a loose dog disrupting the entire class. Georgeanne is talented trainer and also a good people person.

    We highly recommend Georganne . While my training experience was some time ago, it has proven to…read morebe the best decision I made concerning our Dobie. It is truly a pleasure to have a dog so well behaved. Her expertise not only as a trainer but judge has been most valuable . He earned a CGC and TDI CERT.

    Pawsitive Pooch Dog Training - Puppy Training and Socialization

    Pawsitive Pooch Dog Training

    (10 reviews)

    Kathleen is an expert dog trainer and a skilled people coach. She does a brilliant job of…read moreexplaining the world from a dog's point of view and how our words & actions as humans directly affect our dogs behavior and vice versa. My new puppy & I thoroughly enjoyed her 6 week puppy socialization classes. I was amazed at how effective the positive reinforcement method of training is and how quickly my puppy learned commands. Kathleen did an excellent job of explaining the reasoning behind each technique. She has endless patience and it is obvious she loves all dogs. After only 6 weeks my puppy now knows the basic commands sit, down, stay, come, leave it, and she is getting a good grasp of loose leash walking. We also had a great time meeting & playing with all the other puppies. I plan to continue training classes with Kathleen on level 2 dog training. I highly recommend PawsitivePooch.Dog Training, Kathleen is the best!

    We really love working with Kathleen. Aside from all the good techniques she has taught us, she's…read morepatient and accommodating with my dog and I. She never makes you feel bad about anything you have or haven't done in the past and she acknowledges each small achievement you and your dog make. Not only that but her techniques work and she works with any techniques you've already taught your dog to integrate them into the skills she's teaching them (and you!) She has MANY ideas to work with all types of issues. Also, she has a small group that she holds on certain days of the week that include play AND a small amount of training. I'm so glad we decided to attend Pawsitive Pooch, we're learning so much and our dog's manners are improving!!

    Anna The Dog Trainer

    Anna The Dog Trainer

    (10 reviews)

    We had Anna out for our first session yesterday. She was AMAZING. Our dogs learned so much in…read morejust one session - but also, so did us humans. We've always had door greeting chaos. She showed us the best ways to work on calming things down when visitors arrive, and also provided ways our children can help be involved training - and making sure our dogs are responding to small children in appropriate ways. She had so much knowledge to share, and seemed to pick up on their personalities very quickly. I am so grateful we were able to get on her calendar so quick after her year of traveling. We will definitely be referring her to anyone we know looking for a dog trainer. Hank and Waffles look forward to their next session.

    Anna was seriously the best! We have peen putting off training our little pittie puppy who we love…read moreto pieces, but isn't the best behaved dog (jumps, barks, doesn't listen, is scared of a lot of stuff), and we were nervous we had waited too long. Anna gave us so many tools that our girl ACTUALLY responded to. She brought out the sweet dog that we see all the time, but others don't because of how excited and anxious she gets over everything. We learned a ton about reading body language and how to help build our dogs confidence so she can enjoy more of this world. Anna was super funny and was constantly teaching us things about our dogs and how to read them and reminding us that we are doing good! Not once did we feel judged or insecure about anything. we look forward to our next training session!

    Sierra K 9 Academy - pet_training - Updated May 2026

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